Case study on Retail analysis case. As I was from BFSI Domain this was new to me, but interesting so.
Data Scientist Trainee Interview Questions
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Can you give an example of a time when you used a predictive analysis. (It was fine to mention school projects).
What type of models I have used in my previous job. What role I would like to have in the case I were accepted.
binary classification problem using testing and training sample
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I was given a story problem, and asked to design a database (on the whiteboard) that would store the needed data and explain why I chose to design it that way. Then I was asked to write out a SQL statement that would select a specific data set that met three criteria (date range, age and medical diagnosis). Then I defended my position based on a series of questions from the panel.
What is a distribution you may use to model data whose range of input values is [0, N]?
If the coefficient of an independent variable in linear regression has an opposite sign than it should be, what might be the reason
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